Effectiveness of BaZrO3 buffer layer in SmBa2Cu 3Oy epitaxial growth on MgO substrate: A first-principles study

Fumiyasu Oba, Yoshihiro Sugawara, Katsuya Hasegawa, Teruo Izumi, Yuh Shiohara, Tsukasa Hirayama, Takahisa Yamamoto, Yuichi Ikuhara

研究成果: Article査読

6 被引用数 (Scopus)

抄録

First-principles plane-wave pseudopotential calculations were conducted to investigate the atomic structure and energies of SmBa2Cu 3O6(Sm123)/BaZrO3(BZO) and Sm123/MgO interfaces. For Sm123/BZO, the interface was found energetically preferable when it composed of BaO layer under any possible conditions of chemical potentials. The stability of Sm123/BZO interface was attributed to local atomic arrangement. The chemical composition common to Sm123 and BZO was confirmed by high-resolution transmission electron microscopy.

本文言語English
ページ(範囲)2309-2318
ページ数10
ジャーナルJournal of Applied Physics
95
5
DOI
出版ステータスPublished - 2004 3月 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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